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Sildenafil EP Impurity D

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Sildenafil EP Impurity D

Impurity

CAS Number

1357931-55-5

Molecular Formula

C17H20N4O5S

Product format

Neat

Molecular Weight

392.43

Storage

+5°C

Shipping

Room Temperature

API Family

Sildenafil Citrate

Synonyms

4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6, 7-dihydro-1Hpyrazolo[4, 3-d]pyrimidin-5-yl)benzenesulfonic Acid, Sildenafil Citrate Imp. D (Pharmeuropa), 3-(4, 7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4, 3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic Acid, Sildenafil Citrate Impurity D and Sildenafil Impurity D

Smiles

CCCc1nn(C)c2C(=O)NC(=Nc12)c3cc(ccc3OCC)S(=O)(=O)O

Iupac Name

4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4 and 3-d]pyrimidin-5-yl)benzenesulfonic acid

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COA COO

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Available products

Pack Size SKU
Category Expected Delivery Price Quantity
25mg
CE4493.15-25MG

3-4 weeks

100mg
CE4493.15-100MG

3-4 weeks

500mg
CE4493.15-500MG

3-4 weeks

25mg
CD4493.15-25MG

3-5 weeks

100mg
CD4493.15-4X25MG

3-5 weeks

25mg
CB4493.15-25MG

4-5 weeks

100mg
CB4493.15-4X25MG

4-5 weeks

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Product Type

Impurity

Our Impurity Characterized Standards portfolio comprises more than 5,000 compounds accompanied by a comprehensive CoA which can be found in 3 product categories that include a set of different analytical techniques for determining Identity and Purity.

API

We have designed a range of primary API standards manufactured according to international regulations that come with the most extensive Certificate of Analysis which includes Identity checks by several techniques.

Excipient

Excipients standards comes with a detailed Certificate of Analysis with Identity, Purity and Assay data. They are also suitable for use with non-compendial analytical methods.

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Synthesis

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